//
// Created by ashCheng on 2022/11/4.
//
#include <iostream>

int main() {
  std::cout << "Enter two numbers(The first is less than the Second): ";
  int val1 = 0, val2 = 0;
  std::cin >> val1 >> val2;
  while (val1 <= val2) {
    std::cout << val1 << std::endl;
    val1++;
  }
  return 0;
}